1224322432 has 64 divisors (see below), whose sum is σ = 2530252800. Its totient is φ = 589478400.

The previous prime is 1224322427. The next prime is 1224322433. The reversal of 1224322432 is 2342234221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1224322397 and 1224322406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224322433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947707 + ... + 948997.

It is an arithmetic number, because the mean of its divisors is an integer number (39535200).

Almost surely, 2^1224322432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265126400).

1224322432 is an abundant number, since it is smaller than the sum of its proper divisors (1305930368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224322432 is a wasteful number, since it uses less digits than its factorization.

1224322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1563 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 1224322432 is about 34990.3191182933. The cubic root of 1224322432 is about 1069.7901681879.

Adding to 1224322432 its reverse (2342234221), we get a palindrome (3566556653).

The spelling of 1224322432 in words is "one billion, two hundred twenty-four million, three hundred twenty-two thousand, four hundred thirty-two".